12981009

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{7853}}^1$

素因数の和:7904

約数の個数: 16

約数和(自身を含む): 18849600

約数和(自身を除く): 5868591

約数列:

[1, 3, 19, 29, 57, 87, 551, 1653, 7853, 23559, 149207, 227737, 447621, 683211, 4327003, 12981009]

約数ペア:

[(1, 12981009), (3, 4327003), (19, 683211), (29, 447621), (57, 227737), (87, 149207), (551, 23559), (1653, 7853)]